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Calculate the velocity of sound at -30° F if the velocity at 0° Cis taken to be 331.3 m/sec in air.
You drop a stone into a deep well and hear the splash 2.5 s later.How deep is the well?( ignore air resistance, and assume the velocity of sound is 340m/s)a) 25 mb) 31 mc)29 md)27 m
